Improvement in spinning-machines



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H ASHWURTH Spinning-Machines.

AM moro-umasmpmc m Hassan/vele macssg) pip ` UNITED STATES ATENT QEEIGE.

HENRY ASHWORTH, OF WALSDEN, ENGLAND.

IMPROVEMENT IN SPINNING-MACHlNES.

Specification forming part of Letters Patent No. 139,755, dated June 10, 1873; application filed October 26, 1572.

To all whom it may concern.-

Beit known that I, HENRY AsEWoRTH, of Walsden, in the county of Lancaster, Kingdom of Great Britain and Ireland, have invented Improvements in Apparatus for Spinning and Doubling Cotton and other Fibrous Substances, of which the following is a spccication.

Ihis invention relates to improvements upon aformer invention, for which Letters latent for Great Britain were granted to me, bearing date the 19th day of January, A. D. 1670, No. V165. I employ the ordinary throstle and doubling spindle with a fixed wharve, and with the flier screwed onto the top in the usual manner as in the former case. I also use the fixed and loose tubes as described in the specilication of the Letters Patent before mentioned, but with the following alterations and improvements, which are designed with a view of allowing the drag upon the bobbin to be regulated at will, and alsoto accommodate itself to t-he variation in speed and in the tension of the thread produced by the increasing diameter ofthe bobbin, as the spinning or doubling proceeds.

Such being the nature and object of the said invention for improvements in apparatus for spinning and doubling cotton and other fibrous substances, Iwill now proceed to describe more in detail the manner in which the same is to be or may be performed or carried into practical effect and in order to enable others skilled in the art to make and use the same, I have hereunto annexed a sheet of drawings illustrative thereof, and have marked the same with fl gures and letters of reference corresponding with those in the following explanation thereof.

Figure l in the annexed drawing is an elevation of a throstle or doubling-spindle showing the xed tube or bolster in its place. Fig. 2 is an elevation of the loose tube, and Fig. 2X is an underneath view of the same, showing also the cloth-washer. Fig. 3 is a sectional View showing the iixed and loose tubes and the cloth-washer in their respective places.

a a is the guiderail, b b the lifting-rail, c o

the spindle-rail, d d the spindles, and e e the bobbin. The liXed tubes or holsters f f carried by the lifting-rail, are provided, just above the level of the rail, with a circular iiange or disk, g g, about thesame diameter as the bottom of the bobbin, and having a raised rim, *t it, all around the outer edge. Above this ilan ge the tube is reduced in external diameter or thrilled with a long neck, so that the loose tube only bears at the top and bottom, and the top bearing is grooved spirally with both a right and a left hand thread crossing each other, as shown ath h, in order toretain the oil or lubricating matter.

'Ihis tube may. be either the full length 'of the bobbin so that the latter does not touch the spindle at all, as shown at Figs. 1 and 3, or it may be shorter so that the upper part of the bobbin has a bearing'on the spindle, as y shown at Fig. 4:. The lower end of the loose tube i i has a narrow ilange, 7a k, and bears upon the center of the disk or ange of the fixed tube, notches Z l being cut in the under'- neath part otl the former to reduce the friction, as seen at Figs. 2 and 2*. .The top of this smaller ange is about level with the outer rim of the larger flange, or, slightly higher, and the feet or otherwasher, m m, which gives the drag rests upon the upper surface of both.

The bottom of the bobbiu, which is dished or hollow, bears only on the outer rim with the washer m m intervening, no pin being required for driving the bobbin. As the central part v of the washer is slightly higher than the outer edge upon which the bobbin rests, it follows that when the bobbin revolves at a high velocity the centrifugal force causes the outer edge of the washer to rise slightly and thus diminish the drag upon the raised rim of the fixed tube. On the contrary, when the speed ofW the bobbin is less, the weight of the bobbin increases the drag by pressing the outer edge of the washer m m down onto the rim t The drag may be still further reduced for spinning and doubling tine numbers byraising the cen-` tral part of the washer by means of a small leather or other washer placed between it and the iiange of the loose tube.

The combination, with a rotating spindle and bobbin, of a ange, g, and a dished Washer higher at the center than at the outer edge, on which the bobbin bears, and arranged so that by the action of centrifugal force it may approach a horizontal position, raising the bobbin, all as specified.

In testimony whereof .I have signed my naine to this specification in the presence of two subscribing Witnesses.

HENRY ASHWORTH.

/Vitnesses:

GEORGE DAVIS, JOHN HUGHES. 

